package lesson1_20.lesson8;

public class jingtaidaoru {
    public static int add(int x, int y) {
        return x + y;
    }

    public static int sub(int x, int y) {
        return x - y;
    }

    public String test(int x, int y) {
        return "输入的是x:" + x + ",y:" + y;
    }

}
